Orthosilicic acid is a natural substance found in seafood, seawater, vegetables, whole grains, and certain beverages, including beer. Sometimes referred to as soluble silica, an ortho silicic acid is a dietary form of silicon, a mineral involved in the formation of collagen and bone.
In the past, agronomists ignored the use of silicon fertilizer but lately, due to its benefits to the growth of a plant and its ability to improve plants resistance to disease it is becoming more popular with many plant growers who apply silica to their gardens for a wide range of plants.
The use of silica is common among hydroponic farmers who add it directly to the reservoir away from other nutrients since the mineral becomes sticky when added together with other concentrated salts.
Liquid seaweed fertilizer is simply what its name suggests: a fertilizer that has been derived from natural seaweed sources. Seaweed is collected, some of the saltwater rinsed away and then allowed to decompose or ferment in water until the plant material is broken down into a liquid or slurry.
Seaweeds - especially kelp, a large brown seaweed - and liquid seaweed extract have been used for many years as fertilizers in commercial crop production because of their positive effect on plant growth and yield. As the trend towards using sustainable products increases, these products are gaining more popularity both commercially and in home gardens to meet plant demands. Known as biofertilizers, or biostimulants, they offer many benefits over conventional fertilizers.
As a new type of fertilizer, water soluble fertilizer has obvious advantages compared with traditional fertilizers and granulated compound fertilizers. It is a quick-acting fertilizer with good water solubility, no residue, can be completely dissolved in water, and can be directly absorbed and utilized by the roots and leaves of crops.
The integration of water and fertilizer has attracted much attention because of its convenience, high efficiency, water and fertilizer saving, and less environmental pollution. Many countries also regards the integration of water and fertilizer as an important strategic goal of agricultural development.
Water-soluble fertilizers can be divided into two types: solid water-soluble fertilizer and liquid water-soluble fertilizer. From the nutrient content, there are macro-nutrient water-soluble fertilizers, medium element water-soluble fertilizers, trace element water-soluble fertilizers, amino acid-containing water-soluble fertilizers, humic acid-containing water-soluble fertilizers, and organic water-soluble fertilizers.
